AD8270 Analog Devices, AD8270 Datasheet - Page 16

• Manufacturer Part Number: AD8270
• Description: Precision Dual-Channel, Difference Amplifier
• Manufacturer: Analog Devices

AD8270
Table 8. Selected Single-Ended Configurations
Signal Gain
−2
−1.5
−1.4
−1.25
−1
−0.8
−0.667
−0.6
−0.5
−0.333
−0.25
−0.2
−0.125
+0.1
+0.2
+0.25
+0.3
+0.333
+0.375
+0.4
+0.5
+0.5
+0.6
+0.6
+0.625
+0.667
+0.7
+0.75
+0.75
+0.8
+0.9
+1
+1
+1
+1.125
+1.2
+1.2
+1.25
+1.333
+1.5
+1.5
+1.6
+1.667
+1.8
+2
+2.25
+2.4
+2.5
+3
Electrical Performance
Op Amp
Closed-Loop Gain
3
3
3
3
3
3
2
2
2
2
1.5
1.5
1.5
1.5
2
1.5
1.5
2
1.5
2
3
1.5
3
1.5
1.5
2
1.5
3
1.5
2
1.5
1.5
1.5
3
1.5
3
1.5
1.5
2
3
1.5
2
2
3
2
3
3
3
3
Input
Resistance
5 kΩ
4.8 kΩ
5 kΩ
5.333 kΩ
5 kΩ
5.556 kΩ
8 kΩ
8.333 kΩ
8.889 kΩ
7.5 kΩ
8 kΩ
8.333 kΩ
8.889 kΩ
8.333 kΩ
10 kΩ
24 kΩ
25 kΩ
24 kΩ
26.67 kΩ
25 kΩ
24 kΩ
15 kΩ
25 kΩ
16.67 kΩ
16 kΩ
15 kΩ
16.67 kΩ
26.67 kΩ
13.33 kΩ
16.67 kΩ
16.67 kΩ
15 kΩ
>1 GΩ
>1 GΩ
26.67 kΩ
16.67 kΩ
25 kΩ
24 kΩ
15 kΩ
13.33 kΩ
>1 GΩ
25 kΩ
24 kΩ
16.67 kΩ
>1 GΩ
26.67 kΩ
25 kΩ
24 kΩ
>1 GΩ
Rev. 0 | Page 16 of 20
10 kΩ −
Pin 1
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
OUT
OUT
GND
OUT
GND
GND
OUT
GND
OUT
OUT
GND
OUT
GND
OUT
GND
OUT
OUT
OUT
IN
OUT
GND
OUT
OUT
GND
GND
OUT
GND
GND
GND
GND
GND
GND
GND
GND
IN
IN
IN
IN
IN
IN
NC
NC
NC
NC
IN
IN
IN
IN
NC
GND
GND
NC
GND
NC
GND
GND
GND
GND
IN
NC
IN
GND
GND
NC
GND
GND
IN
IN
GND
GND
GND
GND
NC
GND
GND
NC
NC
GND
NC
GND
GND
GND
GND
10 kΩ −
Pin 2
10 kΩ +
Pin 3
GND
GND
GND
GND
GND
IN
GND
GND
GND
GND
GND
GND
GND
IN
GND
GND
GND
GND
GND
GND
GND
GND
GND
IN
NC
GND
IN
GND
GND
IN
GND
IN
IN
IN
NC
IN
IN
IN
IN
GND
IN
IN
IN
GND
IN
NC
IN
IN
IN
Pin Connections
GND
GND
GND
NC
GND
GND
GND
GND
NC
GND
GND
GND
NC
GND
IN
GND
GND
GND
NC
GND
GND
GND
GND
GND
GND
IN
NC
GND
IN
IN
IN
IN
GND
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
10 kΩ +
Pin 4
IN
IN
IN
GND
GND
NC
GND
IN
NC
GND
NC
GND
IN
GND
NC
GND
NC
NC
GND
NC
GND
GND
NC
GND
IN
NC
NC
IN
IN
NC
GND
GND
NC
NC
GND
IN
IN
IN
NC
NC
IN
GND
GND
IN
NC
IN
NC
IN
IN
NC
IN
IN
20 kΩ +
Pin 5
GND
IN
GND
IN
IN
IN
IN
IN
IN
IN
GND
IN
GND
GND
GND
GND
20 kΩ +
Pin 6
IN
IN
IN
IN
IN
IN
IN
IN
IN
GND
IN
IN
IN
IN
GND
GND
GND
IN
IN
GND
IN
GND
IN
IN
GND
GND
GND
GND
IN
IN
IN
GND
IN